64884056 has 8 divisors (see below), whose sum is σ = 121657620. Its totient is φ = 32442024.

The previous prime is 64884041. The next prime is 64884067. The reversal of 64884056 is 65048846.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×64884056² = 8419881446022272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055246 + ... + 4055261.

Almost surely, 2^64884056 is an apocalyptic number.

It is an amenable number.

64884056 is a deficient number, since it is larger than the sum of its proper divisors (56773564).

64884056 is a wasteful number, since it uses less digits than its factorization.

64884056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110513 (or 8110509 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 64884056 is about 8055.0639972628. The cubic root of 64884056 is about 401.8333674049.

The spelling of 64884056 in words is "sixty-four million, eight hundred eighty-four thousand, fifty-six".